import { Material } from './Material.js';
import { Vector3 } from '../math/Vector3.js';

/**
 * parameters = {
 *
 *  referencePosition: <float>,
 *  nearDistance: <float>,
 *  farDistance: <float>,
 *
 *  morphTargets: <bool>,
 *
 *  map: new THREE.Texture( <Image> ),
 *
 *  alphaMap: new THREE.Texture( <Image> ),
 *
 *  displacementMap: new THREE.Texture( <Image> ),
 *  displacementScale: <float>,
 *  displacementBias: <float>
 *
 * }
 */

class MeshDistanceMaterial extends Material {
  constructor(parameters) {
    super();

    this.type = 'MeshDistanceMaterial';

    this.referencePosition = new Vector3();
    this.nearDistance = 1;
    this.farDistance = 1000;

    this.morphTargets = false;

    this.map = null;

    this.alphaMap = null;

    this.displacementMap = null;
    this.displacementScale = 1;
    this.displacementBias = 0;

    this.fog = false;

    this.setValues(parameters);
  }

  copy(source) {
    super.copy(source);

    this.referencePosition.copy(source.referencePosition);
    this.nearDistance = source.nearDistance;
    this.farDistance = source.farDistance;

    this.morphTargets = source.morphTargets;

    this.map = source.map;

    this.alphaMap = source.alphaMap;

    this.displacementMap = source.displacementMap;
    this.displacementScale = source.displacementScale;
    this.displacementBias = source.displacementBias;

    return this;
  }
}

MeshDistanceMaterial.prototype.isMeshDistanceMaterial = true;

export { MeshDistanceMaterial };
